ON.energy is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers.

Location- United States, Remote with ~75% or more travel

Position Summary

ON.energy is looking for a skilled Supplier Quality Engineer to support the supplier quality activities related to battery energy storage systems (BESS) across the full equipment lifecycle—from procurement and factory testing to site delivery and installation. In this role, you will work closely with engineering, supply chain, and construction teams in the processes of selecting, auditing and evaluating suppliers, reviewing vendor’s Inspection and Test Plans, coordinating and witnessing Factory Acceptance Testing (FAT), and provide field support during installation and commissioning for key components including batteries, inverters, transformers, switchgear and ATS, and auxiliary systems. This role focuses on preventing quality issues at the source – ensuring suppliers maintain robust manufacturing and test processes – and tracking non-conformances through resolution prior to shipment.

This role is best suited for engineers with hands-on experience working with manufacturing suppliers of electrical or industrial equipment. The role focuses on suppliers manufacturing critical electrical equipment used in utility-scale energy storage systems.

Key Responsibilities

Drive Supplier Selection, Evaluation and Qualification based on the company’s Supplier Quality processes and tools.
Support the definition and documentation of Supplier Quality processes in compliance with ISO 9001 and other applicable requirements.
Perform supplier process audits at new and existing vendors to evaluate manufacturing processes, production controls, and supplier quality systems in alignment with company standards and ISO 9001 requirements.
Ensure all activities related to the Supplier Audit process are properly maintained and executed, including the Audit Planning and Reporting documentation.
Update the supplier quality database (Documents Control).
Management of supplier related quality issues, guiding the root-cause analysis and implementation of corrective actions and process improvements, ensuring effective and sustainable solutions are in place.
Review and approve supplier quality documentation, including Inspection & Test Plans (ITPs), FAT procedures, Control Plans and / or quality control documentation packages.
Participate in Factory Acceptance Tests (FATs) at OEM and ensure test results and documentation meet approved criteria.
Identify, log, and track non-conformances (NCRs); drive timely root cause analysis and corrective actions with vendors.
Review and validate supplier material traceability records, certificates, and inspection reports.
Collaborate with Engineering and Supply Chain to qualify new vendors and support supplier onboarding.
Provide supplier performance feedback and input to quality metrics and supplier scorecards.
Maintain complete, accurate, and traceable quality documentation packages for each project.
Support development and continuous improvement of quality standards, templates, and best practices across equipment types.
Evaluate supplier manufacturing processes and production controls to ensure suppliers can consistently meet technical and quality requirements.

Must Have Qualifications

Bachelor’s degree in Electrical, Industrial, or Quality Engineering (or a closely related technical field)

or equivalent hands-on experience working with electrical equipment and systems in a manufacturing or industrial environment

3-7 years of experience in supplier or product quality engineering within the energy or manufacturing industry
Hands-on experience with electrical power systems, BESS, inverters, transformers, switchgear, or other similar equipment
Experience with supplier process audits including evaluating supplier manufacturing processes (VDA 6.3 or similar process audit frameworks are a plus)